Levi Neuwirth
c2e737d684
E-D (layout-ir, honest solver tier): add SolverTier::Stub (a non-conformance rung below Minimal) and have StubSolver report it instead of falsely claiming the Minimal conformance tier; the passthrough evaluates no constraints and computes no quality metrics. E-C (layout-ir, constraint/reference validation): ConstrainedLayoutIR::validate() now also checks the LayoutConstraint vector — NoCollision/Align/PositionWithin must name glyphs in the set, SystemBreakAt/PageBreakAt must name existing slots, PositionWithin regions must be finite/non-negative — rejecting dangling references instead of silently accepting them. E-B (layout-ir, content-sensitive ScoreVersion): derive ScoreVersion from the whole score's canonical bytes (Agent B's whole-score codec) rather than the layout projection's object identities, so a pure content edit that changes no identifier still changes the version — required for correct incremental-layout cache invalidation. D-A (bundle, extension-root preservation): Bundle::commit now enforces preservation — after the builder closure runs, every prior extension declaration it did not re-declare (by extension_id) is carried forward verbatim, so an extension-unaware writer cannot silently orphan an unknown extension's preserved_chunk_roots. An extension-aware writer that re-declares its id keeps control. Each fix has a regression test; per-crate DECISIONS updated. (Item-6 remainder: D-B operation-block summaries next; E-A real time-axis deferred per request.) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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